CVE-2026-68749

The vulnerability CVE-2026-68749 affects the html_sanitize_ex Ruby gem (versions before 1.5.3; affected range includes 0.3.1–1.5.2). It stems from an inefficient greedy regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 that backtracks on long CSS declarations, causing quadratic CPU consumption and pot...

EUVD-2026-54084

Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the property name...

CVE-2026-68749

Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the property name...

CVE-2026-68749 Quadratic regex backtracking in the html_sanitize_ex CSS scrubber allows CPU-exhaustion denial of service

Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the property name...

CVE-2026-68749 Quadratic regex backtracking in the html_sanitize_ex CSS scrubber allows CPU-exhaustion denial of service

Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the property name...

EEF-CVE-2026-68749 Quadratic regex backtracking in the html_sanitize_ex CSS scrubber allows CPU-exhaustion denial of service

Summary Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML. The declaration regex in HtmlSanitizeEx.Scrubber.CSS.scrub/1 matches the...

CVE-2026-68747

CVE-2026-68747 affects html_sanitize_ex: the CSS Scrubber (Scrubber.CSS.scrub/1) has a non-declaration input bypass in versions prior to 1.5.4 (0.3.1). An attacker can inject CSS at-rules (e.g., @import url(...)) into pages served to other users because the allowlist is applied via a Regex over d...

CVE-2026-68747 CSS sanitizer allowlist bypass in html_sanitize_ex via non-declaration input

Improper Neutralization of Special Elements in Output Used by a Downstream Component 'Injection' vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to inject CSS at-rules, including an import of a remote stylesheet, into a page served to other...

CVE-2026-68747 CSS sanitizer allowlist bypass in html_sanitize_ex via non-declaration input

Improper Neutralization of Special Elements in Output Used by a Downstream Component 'Injection' vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to inject CSS at-rules, including an import of a remote stylesheet, into a page served to other...

CVE-2026-68747

Improper Neutralization of Special Elements in Output Used by a Downstream Component 'Injection' vulnerability in the CSS scrubber in rrrene htmlsanitizeex allows an unauthenticated remote attacker to inject CSS at-rules, including an import of a remote stylesheet, into a page served to other...

CVE-2026-66683 WordPress Custom CSS and JavaScript plugin <= 2.0.16 - Sensitive Data Exposure vulnerability

Unauthenticated Sensitive Data Exposure in Custom CSS and JavaScript = 2.0.16 versions...

CVE-2026-66683 WordPress Custom CSS and JavaScript plugin <= 2.0.16 - Sensitive Data Exposure vulnerability

Unauthenticated Sensitive Data Exposure in Custom CSS and JavaScript = 2.0.16 versions...

CVE-2026-66683

Unauthenticated Sensitive Data Exposure in Custom CSS and JavaScript = 2.0.16 versions...

CVE-2026-66683

CVE-2026-66683 corresponds to an unauthenticated sensitive data exposure in the WordPress plugin “Custom CSS and JavaScript”, affecting versions up to and including 2.0.16. The vulnerability details indicate the issue exists in affected builds and results in exposure of sensitive data without aut...

WordPress Custom CSS and JavaScript plugin <= 2.0.16 - Sensitive Data Exposure vulnerability

Sensitive Data Exposure vulnerability discovered by Ananda Dhakal Patchstack in WordPress Plugin Custom CSS and JavaScript versions = 2.0.16...

PT-2026-68752

Name of the Vulnerable Software and Affected Versions Mermaid versions prior to 10.9.8 Mermaid versions prior to 11.16.1 Description Mermaid is vulnerable to CSS injection through sibling combinator selectors generated from class or id names provided in the diagram text. The software fails to ful...

PT-2026-68625

Name of the Vulnerable Software and Affected Versions html sanitize ex versions 0.3.1 through 1.5.3 Description An injection flaw exists in the CSS scrubber of the software, allowing an unauthenticated remote attacker to inject CSS at-rules, such as importing remote stylesheets, into pages served...

PT-2026-68584

Name of the Vulnerable Software and Affected Versions Custom CSS and JavaScript versions prior to 2.0.17 Description An issue exists that allows unauthenticated users to cause sensitive data exposure. Recommendations Update to a version newer than 2.0.16...

CVE-2026-50159: Improper Control of Generation of Code

Mermaid is a JavaScript tool that uses Markdown-inspired text to create and modify diagrams and charts. Prior to 10.9.8 and 11.16.1, Mermaid is vulnerable to CSS injection via sibling combinator selectors generated from diagram-supplied class or id names. An attacker who can supply diagram text c...

PT-2026-68626

Name of the Vulnerable Software and Affected Versions html sanitize ex versions 0.3.1 through 1.5.2 Description An unauthenticated remote attacker can cause server CPU exhaustion by providing a long CSS declaration within sanitized HTML. The issue resides in the HtmlSanitizeEx.Scrubber.CSS.scrub/...